CGK733 fraud

Source: Wikipedia, the free encyclopedia.

CGK733 was a synthetic chemical substance which was reported in 2006 to have remarkable properties in reversing cell senescence (aging).[1] However, the entire work behind the discovery of this compound has since been found to be falsified and the authors of the original reports have retracted all their claims.[2][3]

CGK733 was claimed to be an inhibitor of

ATM/ATR kinases,[4][5] which are involved in DNA damage repair. CGK was claimed to extend the lifetime of cultured cells by approximately 20 divisions, or roughly 25%, specifically in mammalian
cells.

The original report garnered scientific attention,[6] but was retracted in 2008.[7] The retraction states that the screen to identify CGK733 as an anti-senescence agent was not carried out; experiments exploring the cellular effects of CGK733 were misrepresented; the identification of ATM as the target of CGK733 was fabricated; a compound which was essential for ATM target validation had not been synthesized; and the chemical structure of CGK733 was misrepresented.[7]

The principal investigator, Tae Kook Kim, and several associates were consequently suspended from their positions at the

Korea Advanced Institute of Science & Technology.[2]

References

  1. )
  2. ^ a b Dennis Normile; Jennifer Couzin (March 5, 2008). "South Korean researcher suspended over charges of scientific misconduct". Science Now. Archived from the original on 2008-03-09. Retrieved 2008-03-17.
  3. ^ Kenneth J. Moore (2008). "Data Duping". Chemical & Engineering News. Retrieved 2008-04-01.
  4. PMID 19136059
    .
  5. .
  6. ^ Sarah Everts (2006). "Aging Cells Get New Lease On Life - Small molecule is found to extend lifetime of mammalian cells". Chemical & Engineering News. Retrieved 2007-03-09.
  7. ^
    PMID 18560433
    .